CN217361658U - Fuel cell system - Google Patents

Fuel cell system Download PDF

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Publication number
CN217361658U
CN217361658U CN202221215294.6U CN202221215294U CN217361658U CN 217361658 U CN217361658 U CN 217361658U CN 202221215294 U CN202221215294 U CN 202221215294U CN 217361658 U CN217361658 U CN 217361658U
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China
Prior art keywords
air
intercooler
bottom plate
fuel cell
cell system
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CN202221215294.6U
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Chinese (zh)
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梁未栋
邓佳
邴黎明
刘小青
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Dayang Electric Fuel Cell Technology Zhongshan Co ltd
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Dayang Electric Fuel Cell Technology Zhongshan Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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Abstract

The utility model discloses a fuel cell system, which comprises a box body and an intercooler arranged in the box body, wherein the box body comprises a bottom plate, the intercooler is arranged on the bottom plate, the intercooler comprises a heat exchanger, an intercooler shell, an air inlet and an air outlet, the bottom plate is a metal bottom plate, the bottom plate is provided with an air vent, the air inlet of the intercooler is arranged on the top surface of the bottom plate, the air inlet of the intercooler is communicated with the air vent of the bottom plate, the outer side of the air inlet is provided with a heat dissipation block, the bottom end surface of the heat dissipation block is attached on the top surface of the bottom plate, the heat dissipation block is arranged at the air inlet of the intercooler, so that high-temperature gas flowing through the air inlet transmits partial heat to the metal bottom plate through the heat dissipation block, the temperature of the high-temperature gas entering the intercooler is reduced, and the thickness and the sectional area of the heat exchanger in the intercooler can be properly reduced to reduce the volume under the requirement of the same heat dissipation power, thereby saving more space within the fuel cell system for the placement of other components.

Description

Fuel cell system
The technical field is as follows:
the utility model relates to a fuel cell system.
Background art:
the required air of fuel cell system also reaches very high when pressure obtains promoting behind the air compressor machine, for preventing that high temperature air directly gets into the system and damages humidifier inner structure, also causes irreversible damage to the reactor. An intercooler is required to cool the high temperature air down to a temperature suitable for the reactor reaction. However, if the entire heat dissipation amount is realized by the intercooler only, the heat dissipation area of the heat dissipation fins inside the intercooler is required to be large enough, or the flow rate of the cooling liquid is required to be high enough, which will certainly increase the volume of the intercooler, which is contrary to the principle of simplifying the design by highly integrating the fuel cell and improving the efficiency and the volume specific power of the fuel cell system. For example, patent No. 202121941494.5 entitled intercooler and fuel cell system using the same, the air inlet of the scheme only serves as a connecting pipeline, the bottom plate of the fuel cell system has almost no auxiliary heat dissipation effect, so that the total area of the heat dissipation fins and the volume of the heat dissipation water channel of the intercooler are taught, the intercooler has a large volume, more cooling liquid flow is needed for heat dissipation, the extra power consumption of the fuel cell system is increased, the energy is wasted, and the fuel cell system is compact in arrangement space and low in space utilization rate.
The invention content is as follows:
the utility model aims at providing a fuel cell system can solve among the prior art intercooler volume great, needs more coolant liquid flow heat dissipations, increases fuel cell system's extra consumption, the extravagant energy to lead to fuel cell system to arrange the space and play tightly, technical problem that space utilization is low.
The purpose of the utility model is realized by the following technical proposal.
The utility model aims at providing a fuel cell system, including the box with install the intercooler in the box, the box includes the bottom plate, and the intercooler is installed on the bottom plate, and the intercooler includes heat exchanger, intercooler casing, the interface that admits air and the interface of giving vent to anger, its characterized in that: the bottom plate is the metal bottom plate, is equipped with the air vent on the bottom plate, and the top surface of bottom plate is arranged in to the interface of admitting air of intercooler, and the air vent intercommunication of the interface of admitting air and bottom plate of intercooler, and the radiating block is installed to the periphery of interface of admitting air, and the laminating of the bottom face of radiating block is on the top surface of bottom plate.
And a heat conduction structure is arranged between the bottom end surface of the heat dissipation block and the top surface of the bottom plate.
The heat conducting structure is heat conducting silicone grease or a heat conducting pad.
The air-permeable floor is characterized by further comprising a joint, wherein one end of the joint is arranged on the bottom surface of the bottom plate and is communicated with the air vent of the bottom plate, and the other end of the joint is connected with an external pipeline.
The joint be the metal joint, the one end edge that connects to be close to the bottom plate is equipped with mounting flange, the bottom surface of bottom plate, the edge that is located the air vent are equipped with the mounting groove, mounting flange installs in the mounting groove, is equipped with heat conduction structure between mounting flange and the mounting groove.
The heat conducting structure is heat conducting silicone grease or a heat conducting pad.
A first sealing ring is arranged between the heat dissipation block and the top surface of the bottom plate, a first sealing groove is formed in the top surface of the bottom plate and the edge, located on the outer side of the vent hole, of the bottom plate, and the first sealing ring is installed in the first sealing groove; and a second sealing ring is arranged between the mounting flange and the mounting groove, a second sealing groove is formed in the top of the mounting flange, and the second sealing ring is arranged in the second sealing groove.
The bottom of intercooler casing set up the interface that admits air, intercooler casing the inside is provided with the chamber that admits air, the top of intercooler casing and the top that is located the interface that admits air are provided with a water conservancy diversion face of slope, the right side of intercooler casing is equipped with first gas outlet.
Go up the heat exchanger left side set up the second air inlet and the right side sets up the second gas outlet, the intercooler casing is installed in the heat exchanger left side and is made first gas outlet and second air inlet butt joint, when the air current entered into the chamber of admitting air from the interface of admitting air of the bottom of intercooler casing, by the water conservancy diversion face direction to the left second air inlet of heat exchanger of slope, then discharge from the second gas outlet that the right side set up and form certain angle and turn to, install the interface of giving vent to anger on the second gas outlet.
The aforesaid still include air supply system, fuel cell pile module and coolant liquid circulation system, air supply system includes air cleaner, air flowmeter, the air compressor machine, air compressor machine controller and humidifier, the air compressor machine passes through the other end of outside tube coupling joint, the air gets into the air compressor machine behind air cleaner and the air mass flow meter and introduces from the joint after the air compression that gets into through the radiating block, reentrant intercooler is interior, often the humidifier with the air is carried through the interface of giving vent to anger behind the intercooler internal cooling, the humidifier is again with the air input of humidification to fuel cell pile module, the coolant liquid entry and the coolant liquid export of intercooler are connected with coolant liquid circulation system.
Compared with the prior art, the utility model, following effect has:
1) the utility model provides a fuel cell system, includes the box and installs the intercooler in the box, and the box includes the bottom plate, and the intercooler is installed on the bottom plate, and the intercooler includes heat exchanger, intercooler casing, admits air the interface and gives vent to anger the interface, its characterized in that: the bottom plate is metal bottom plate, be equipped with the air vent on the bottom plate, the top surface of bottom plate is arranged in to the interface of admitting air of intercooler, and the air vent intercommunication of the interface of admitting air and bottom plate of intercooler, the radiating block is installed to the periphery of the interface of admitting air, the bottom face laminating of radiating block is on the top surface of bottom plate, the interface of admitting air through at the intercooler sets up the radiating block, make the high-temperature gas of the interface of admitting air of flowing through pass through the radiating block with partial heat transfer to metal bottom plate on, thereby get into the high-temperature gas's in the intercooler temperature reduction, under equal radiating power's requirement, can suitably reduce the inside heat exchanger's of intercooler thickness and sectional area and reduce the volume of intercooler, thereby save more space arrangement other parts for fuel cell system inside.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a perspective view provided by the present invention;
fig. 2 is an exploded schematic view between an intercooler and a bottom plate provided in the present invention;
fig. 3 is another schematic exploded view of an angle between the intercooler and the bottom plate according to the present invention;
fig. 4 is an exploded view provided by the present invention;
fig. 5 is an overall cross-sectional view provided by the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5;
fig. 7 is another cross-sectional view provided by the present invention;
fig. 8 is a schematic structural diagram of a heat exchanger provided by the present invention;
fig. 9 is a schematic diagram provided by the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to specific embodiments and drawings.
As shown in fig. 1 to 9, the present embodiment provides a fuel cell system, which includes a box and an intercooler 2 installed in the box, the box includes a bottom plate 11, the intercooler 2 is installed on the bottom plate 11, the intercooler 2 includes a heat exchanger 21, an intercooler housing 22, an air inlet 23 and an air outlet 24, and is characterized in that: the bottom plate 11 is a metal bottom plate, the bottom plate 11 is provided with air holes 111, the air inlet port 23 of the intercooler 2 is arranged on the top surface 112 of the bottom plate 11, the air inlet port 23 of the intercooler 2 is communicated with the air holes 111 of the bottom plate 11, the heat dissipation block 231 is installed on the periphery of the air inlet port 23, the bottom end face 2311 of the heat dissipation block 231 is attached to the top surface 112 of the bottom plate 11, the heat dissipation block is arranged at the air inlet port of the intercooler, high-temperature gas flowing through the air inlet port transmits partial heat to the metal bottom plate through the heat dissipation block, the temperature of the high-temperature gas entering the intercooler is reduced, under the requirement of the same heat dissipation power, the thickness and the sectional area of a heat exchanger inside the intercooler can be properly reduced to reduce the size of the intercooler, and other parts are arranged in more spaces inside the fuel cell system.
The heat conducting structure is arranged between the bottom end surface 2311 of the heat dissipation block 231 and the top surface 112 of the bottom plate 11, so that the heat transfer effect between the heat dissipation block and the bottom plate can be improved, and the structural arrangement is reasonable.
The heat conducting structure is heat conducting silicone grease or a heat conducting pad.
The gas-insulated heat exchanger also comprises a joint 3, one end of the joint 3 is arranged on the bottom surface 113 of the bottom plate 11, the joint 3 is communicated with the vent hole 111 of the bottom plate 11, the other end of the joint 3 is connected with an external pipeline, after high-temperature gas flows through the joint, the high-temperature gas transfers partial heat to the metal bottom plate through the joint for first cooling, the high-temperature gas after the first cooling flows through the air inlet interface, the heat dissipation block outside the air inlet interface transfers partial heat of the high-temperature gas after the first cooling to the metal bottom plate again, the high-temperature gas after the two cooling enters the intercooler again, thereby reducing the temperature of the high-temperature gas entering the intercooler, under the requirement of the same heat dissipation power, the thickness and the sectional area of a heat exchanger in the intercooler can be properly reduced to reduce the volume of the intercooler, so that more space is saved in a fuel cell system, and other parts are arranged.
Foretell joint 3 is the metal joint, connects 3 and is equipped with mounting flange 31 near the one end edge of bottom plate 11, and the bottom surface 113 of bottom plate 11, the edge that is located air vent 111 are equipped with mounting groove 114, and mounting flange 31 installs in mounting groove 114, is equipped with the heat conduction structure between mounting flange 31 and the mounting groove 114, can increase the heat between radiating block and the bottom plate and pass to the effect, and structural arrangement is reasonable.
The heat conducting structure is heat conducting silicone grease or a heat conducting pad.
A first sealing ring 4 is arranged between the heat dissipation block 231 and the top surface 112 of the bottom plate 11, a first sealing groove 115 is arranged at the edge of the top surface 112 of the bottom plate 11, which is located at the outer side of the vent hole 111, and the first sealing ring 4 is installed in the first sealing groove 115; be equipped with second sealing washer 5 between mounting flange 31 and the mounting groove 114, the top of mounting flange 31 is equipped with second seal groove 311, and second sealing washer 5 is installed in second seal groove 311, and is sealed effectual, effectively prevents the high temperature gas leakage that gets into.
The bottom of the intercooler shell 22 is provided with the air inlet interface 23, the inside of the intercooler shell 22 is provided with the air inlet cavity 221, the top of the intercooler shell 22 is provided with an inclined flow guide surface 223 above the air inlet interface 23, the right side of the intercooler shell 22 is provided with the first air outlet 222, so that the gas can be guided to flow to the heat exchanger conveniently, and the structure arrangement is reasonable.
The second air inlet 211 is arranged on the left side of the heat exchanger 21, the second air outlet 212 is arranged on the right side of the heat exchanger 21, the intercooler housing 22 is arranged on the left side of the heat exchanger 21, the first air outlet 222 is in butt joint with the second air inlet 211, when air flows enter the air inlet cavity 221 from the air inlet interface 23 on the bottom of the intercooler housing 22, the inclined flow guide surface 223 guides the air to the second air inlet 211 on the left side of the heat exchanger 21, then the air flows are discharged from the second air outlet 212 arranged on the right side to form a certain angle for turning, and the air outlet interface 24 is arranged on the second air outlet 212.
The heat exchanger 21 includes a housing 213 and a heat exchanging device 214, the heat exchanging device 214 is installed in the housing 213, a second air inlet 211 and a second air outlet 212 are respectively disposed on the left side and the right side of the housing 213, the front side and the rear side of the housing 213 are respectively provided with a coolant inlet 2131 and a coolant outlet 2132, the housing 213 is internally provided with a coolant inlet chamber 2133 and a coolant outlet chamber 2134, the coolant inlet chamber 2133 is communicated with the coolant inlet 2131, the coolant outlet chamber 2134 is communicated with the coolant outlet 2132, the heat exchanging device 214 is disposed between the coolant inlet chamber 2133 and the coolant outlet chamber 2134, the heat exchanging device 214 includes a plurality of corrugated heat dissipating plates 2141 and a plurality of corrugated plates 2143 having water channels 2142, the plurality of corrugated heat dissipating plates 2141 and the plurality of corrugated plates 2143 are spaced apart from each other, a plurality of air flow channels 2144 are formed between the corrugated plates 2141 and the laminated plates 2143, the second air inlet 211 and the two air outlet 212 are communicated with each other through the air flow channels 2144, the cooling liquid inlet cavity 2133 is communicated with the cooling liquid outlet cavity 2134 through a plurality of water channels 2142, and the structure is simple.
The air supply system comprises an air filter, an air flow meter, an air compressor controller and a humidifier, the air compressor is connected with the other end of the connector 3 through an external pipeline, air enters the air compressor after passing through the air filter and the air flow meter and is compressed and then is introduced from the connector 3 to pass through the radiating block 231, and then enters the intercooler, the air is cooled in the intercooler and then is conveyed to the humidifier through the air outlet interface 24, the humidifier inputs humidified air into the fuel cell stack module, and a cooling liquid inlet 2131 and a cooling liquid outlet 2132 of the intercooler are connected with the cooling liquid circulation system.
The working principle is as follows: the air supply system comprises an air filter, an air flow meter, an air compressor and an air compressor controller, the air compressor flows the compressed high-temperature gas through the joint, high-temperature gas transmits partial heat to the metal bottom plate through the joint for primary cooling, the high-temperature gas subjected to primary cooling flows through the air inlet interface, the heat radiating block on the periphery of the air inlet interface transmits partial heat of the high-temperature gas subjected to primary cooling to the metal bottom plate again, the high-temperature gas subjected to secondary cooling enters the intercooler again, thereby reducing the temperature of the high-temperature gas entering the intercooler, performing third heat exchange through the heat exchanger of the intercooler, and then discharging the high-temperature gas from the air outlet interface, under the requirement of the same heat dissipation power, the thickness and the sectional area of a heat exchanger in the intercooler can be properly reduced to reduce the volume of the intercooler, so that more space is saved in a fuel cell system, and other parts are arranged.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims (10)

1. The utility model provides a fuel cell system, includes the box and installs intercooler (2) in the box, and the box includes bottom plate (11), and intercooler (2) are installed on bottom plate (11), and intercooler (2) include heat exchanger (21), intercooler casing (22), admit air interface (23) and give vent to anger interface (24), its characterized in that: bottom plate (11) are metal bottom plate, are equipped with air vent (111) on bottom plate (11), and top surface (112) of bottom plate (11) are arranged in air inlet interface (23) of intercooler (2), and air inlet interface (23) of intercooler (2) and air vent (111) intercommunication of bottom plate (11), and radiating block (231) are installed to the periphery of air inlet interface (23), and bottom face (2311) the laminating of radiating block (231) is on top surface (112) of bottom plate (11).
2. A fuel cell system according to claim 1, characterized in that: a heat conducting structure is arranged between the bottom end surface (2311) of the heat radiating block (231) and the top surface (112) of the bottom plate (11).
3. A fuel cell system according to claim 2, wherein: the heat conducting structure is heat conducting silicone grease or a heat conducting pad.
4. A fuel cell system according to claim 1, 2 or 3, characterized in that: the pipeline connecting device is characterized by further comprising a connector (3), one end of the connector (3) is arranged on the bottom surface (113) of the bottom plate (11), the connector (3) is communicated with the vent hole (111) of the bottom plate (11), and the other end of the connector (3) is connected with an external pipeline.
5. A fuel cell system according to claim 4, wherein: connect (3) to be metal joint, connect (3) to be equipped with mounting flange (31) near the one end edge of bottom plate (11), bottom surface (113) of bottom plate (11), the edge that is located air vent (111) are equipped with mounting groove (114), and mounting flange (31) are installed in mounting groove (114), are equipped with heat conduction structure between mounting flange (31) and mounting groove (114).
6. A fuel cell system according to claim 5, wherein: the heat conducting structure is heat conducting silicone grease or a heat conducting pad.
7. A fuel cell system according to claim 6, wherein: a first sealing ring (4) is arranged between the heat dissipation block (231) and the top surface (112) of the bottom plate (11), a first sealing groove (115) is arranged on the top surface (112) of the bottom plate (11) and at the outer side edge of the vent hole (111), and the first sealing ring (4) is arranged in the first sealing groove (115); a second sealing ring (5) is arranged between the mounting flange (31) and the mounting groove (114), a second sealing groove (311) is formed in the top of the mounting flange (31), and the second sealing ring (5) is mounted in the second sealing groove (311).
8. A fuel cell system according to claim 7, wherein: the bottom of intercooler casing (22) sets up air inlet interface (23), and intercooler casing (22) the inside is provided with chamber (221) that admits air, and the top of intercooler casing (22) just is located the top of admitting air interface (23) and is provided with a water conservancy diversion face (223) that inclines, and the right side of intercooler casing (22) is equipped with first gas outlet (222).
9. A fuel cell system according to claim 8, wherein: the left side of the heat exchanger (21) is provided with a second air inlet (211) and the right side is provided with a second air outlet (212), the intercooler casing (22) is installed on the left side of the heat exchanger (21) to enable the first air outlet (222) to be in butt joint with the second air inlet (211), when air flow enters the air inlet cavity (221) from the air inlet interface (23) at the bottom of the intercooler casing (22), the air flow is guided to the second air inlet (211) on the left side of the heat exchanger (21) through the inclined flow guide surface (223), then the air flow is discharged from the second air outlet (212) arranged on the right side to form a certain angle for turning, and the air outlet interface (24) is installed on the second air outlet (212).
10. A fuel cell system according to claim 9, wherein: still include air supply system, fuel cell pile module and coolant liquid circulation system, air supply system includes air cleaner, air flowmeter, the air compressor machine, air compressor machine controller and humidifier, the air compressor machine passes through the other end of outside pipe coupling joint (3), the air gets into the air compressor machine behind air cleaner and the air flowmeter and introduces from joint (3) behind the air compression that gets into through radiating block (231), reentrant intercooler is interior, often humidifier transport the air through interface (24) of giving vent to anger behind the intercooler internal cooling, the humidifier is again with the air input of humidification to fuel cell pile module, coolant liquid inlet (2131) and coolant liquid outlet (2132) of intercooler are connected with coolant liquid circulation system.
CN202221215294.6U 2022-05-18 2022-05-18 Fuel cell system Active CN217361658U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221215294.6U CN217361658U (en) 2022-05-18 2022-05-18 Fuel cell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221215294.6U CN217361658U (en) 2022-05-18 2022-05-18 Fuel cell system

Publications (1)

Publication Number Publication Date
CN217361658U true CN217361658U (en) 2022-09-02

Family

ID=83015432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221215294.6U Active CN217361658U (en) 2022-05-18 2022-05-18 Fuel cell system

Country Status (1)

Country Link
CN (1) CN217361658U (en)

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